Add server config storage classes

server/lib/python/cartodb_services/test/refactor/storage/test_server_config.py

@@ -0,0 +1,42 @@
+from unittest import TestCase
+from mock import Mock, MagicMock
+from nose.tools import raises
+from cartodb_services.refactor.storage.server_config import *
+import cartodb_services
+
+class TestInDbServerConfigStorage(TestCase):
+
+    def setUp(self):
+        self.plpy_mock = Mock()
+        cartodb_services.init(self.plpy_mock, _GD={})
+
+    def tearDown(self):
+        cartodb_services._reset()
+
+    def test_gets_configs_from_db(self):
+        self.plpy_mock.execute = MagicMock(return_value=[{'conf': '"any_value"'}])
+        server_config = InDbServerConfigStorage()
+        assert server_config.get('any_config') == 'any_value'
+        self.plpy_mock.execute.assert_called_once_with("SELECT cdb_dataservices_server.cdb_conf_getconf('any_config') as conf", 1)
+
+    def test_gets_none_if_cannot_retrieve_key(self):
+        self.plpy_mock.execute = MagicMock(return_value=[{'conf': None}])
+        server_config = InDbServerConfigStorage()
+        assert server_config.get('any_non_existing_key') is None
+
+    def test_deserializes_from_db_to_plain_dict(self):
+        self.plpy_mock.execute = MagicMock(return_value=[{'conf': '{"environment": "testing"}'}])
+        server_config = InDbServerConfigStorage()
+        assert server_config.get('server_conf') == {'environment': 'testing'}
+        self.plpy_mock.execute.assert_called_once_with("SELECT cdb_dataservices_server.cdb_conf_getconf('server_conf') as conf", 1)
+
+
+class TestInMemoryConfigStorage(TestCase):
+
+    def test_can_provide_values_from_hash(self):
+        server_config = InMemoryConfigStorage({'any_key': 'any_value'})
+        assert server_config.get('any_key') == 'any_value'
+
+    def test_gets_none_if_cannot_retrieve_key(self):
+        server_config = InMemoryConfigStorage()
+        assert server_config.get('any_non_existing_key') == None